Fenesta offers Storm Windows with Multiple Seals Stop Air Ingress. The extrusion facility of Fenesta in Kota is accredited to ISO 9001, 14001, OHSAS 18001 certifications. Storm Windows with Multiple Seals Stop Air Ingress are part of Fenesta 3000 series. These windows have broad sections reinforced by steel and further strengthened with the Hurricane bar, which doubles up as a handle. The multiple seals stop air ingress acts as a barrier to whistling and rattling sounds even during the 3000 Pascal wind speeds.